owDLLUtil.c

   1 /*
   2  * Openwide -- control Windows common dialog
   3  *
   4  * Copyright (c) 2000 Luke Hudson
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  */
  21
  22
  23 #include <windows.h>
  24 #include <commctrl.h>
  25 #include        <shlwapi.h>
  26 #include        <shellapi.h>
  27 #include        <stdarg.h>
  28 #include        <stdio.h>
  29 #include        <dlgs.h>
  30 #include        "openwidedll.h"
  31 #include        "openwideres.h"
  32 #include        "owDllInc.h"
  33
  34
  35
  36
  37 int focusDlgItem(HWND hwnd, int iFocus)
  38 {
  39         UINT uID = focusToCtlID(gOwShared.iFocus);
  40         if( uID == CID_DIRLIST )
  41         {
  42                 return SetFocus( GetDlgItem( GetDlgItem(hwnd, CID_DIRLISTPARENT) , uID) ) != NULL;
  43         }
  44         else
  45                 return SetFocus( GetDlgItem(hwnd, uID)) != NULL;
  46 }
  47
  48
  49 WORD    focusToCtlID(int        iFocus)
  50 {
  51         //BOOL bXP = isWinXP();
  52         switch( iFocus )
  53         {
  54                 case F_DIRLIST:
  55                         return CID_DIRLIST;
  56                 case F_FNAME:
  57                         return CID_FNAME;
  58                 case F_FTYPE:
  59                         return CID_FTYPE;
  60                 case F_PLACES:
  61                         return CID_PLACES;
  62                 case F_LOOKIN:
  63                         return CID_LOOKIN;
  64         }
  65         return CID_DIRLIST;
  66 }
  67
  68
  69 HWND    getChildWinFromPt(HWND hwnd)
  70 {
  71         POINT pt;
  72         GetCursorPos(&pt);
  73         ScreenToClient(GetParent(hwnd), &pt);
  74
  75         EnableWindow(hwnd, FALSE);
  76         HWND hw = ChildWindowFromPointEx(GetParent(hwnd), pt, CWP_SKIPDISABLED | CWP_SKIPINVISIBLE);
  77         EnableWindow(hwnd, TRUE);
  78         HWND hwSV = GetDlgItem(GetParent(hwnd), CID_DIRLISTPARENT);
  79         if( hw == hwSV )
  80         {
  81                 ClientToScreen(GetParent(hwnd), &pt);
  82                 ScreenToClient(hw, &pt);
  83                 hw = ChildWindowFromPointEx(hw, pt, CWP_SKIPDISABLED | CWP_SKIPINVISIBLE);
  84         }
  85         HWND hwEd = GetDlgItem(GetParent(hwnd), CID_FNAME);
  86         if( hw == hwEd )
  87         {
  88                 ClientToScreen(GetParent(hwnd), &pt);
  89                 ScreenToClient(hw, &pt);
  90                 hw = ChildWindowFromPointEx(hw, pt, CWP_SKIPDISABLED | CWP_SKIPINVISIBLE);
  91         }
  92         return hw;
  93 }
  94
  95
  96
  97 int     subclass(HWND hwnd, WNDPROC wpNew, LPARAM lpData)
  98 {
  99         if( GetProp(hwnd, OW_PROP_NAME) != NULL )
 100                 return 0;
 101         POWSubClassData pow = (POWSubClassData)malloc(sizeof(OWSubClassData));
 102         if(!pow)
 103                 return 0;
 104         ZeroMemory(pow, sizeof(OWSubClassData));
 105         if( !SetProp(hwnd, OW_PROP_NAME, pow) )
 106         {
 107                 free(pow);
 108                 return 0;
 109         }
 110         pow->lpData = lpData;
 111         pow->wpOrig = (WNDPROC)SetWindowLong(hwnd, GWL_WNDPROC, (LONG)wpNew);
 112         return 1;
 113 }
 114
 115
 116 int     unsubclass(HWND hwnd)
 117 {
 118         POWSubClassData pow = (POWSubClassData)GetProp(hwnd, OW_PROP_NAME);
 119         if(pow)
 120         {
 121                 SetWindowLong(hwnd, GWL_WNDPROC, (LONG)pow->wpOrig);
 122                 RemoveProp(hwnd, OW_PROP_NAME);
 123                 free(pow);
 124                 return 1;
 125         }
 126         return 0;
 127 }
 128
 129
 130 WORD    viewToCmdID(int iView)
 131 {
 132         BOOL bXP = isWinXP();
 133         switch( iView )
 134         {
 135                 case V_DETAILS:
 136                         return CMD_2K_DETAILS;
 137                 case V_LIST:
 138                         return (bXP) ? CMD_XP_LIST : CMD_2K_LIST;
 139                 case V_SMICONS:
 140                         return (bXP) ? 0 : CMD_2K_SMICONS;
 141                 case V_LGICONS:
 142                         return (bXP) ? CMD_XP_LGICONS : CMD_2K_LGICONS;
 143                 case V_THUMBS:
 144                         return (bXP) ? CMD_XP_THUMBS : CMD_2K_THUMBS;
 145                 case V_TILES:
 146                         return (bXP) ? CMD_XP_TILES : 0;
 147         }
 148         return CMD_2K_LIST;
 149 }
 150
 151
 152
 153 BOOL    waitForMutex(void)
 154 {
 155         DWORD dwRes;
 156         if( !ghMutex )
 157                 ghMutex = OpenMutex(SYNCHRONIZE, FALSE, OW_MUTEX_NAME);
 158         if( ghMutex )
 159         {
 160                 dwRes = WaitForSingleObject(ghMutex, INFINITE);
 161                 switch(dwRes)
 162                 {
 163                         case WAIT_OBJECT_0:
 164                                 // okay, continue
 165                                 break;
 166                         case WAIT_ABANDONED:
 167                         default:
 168                                 return FALSE;
 169                 }
 170         }
 171         return TRUE;
 172 }
 173
 174 void    releaseMutex(void)
 175 {
 176         if( ghMutex )
 177         {
 178                 ReleaseMutex(ghMutex);
 179                 ghMutex = NULL;
 180         }
 181 }
 182
 183
 184 BOOL CALLBACK fpEnumChildren(HWND hwnd, LPARAM lParam)
 185 {
 186         static char buf[32];
 187         if( GetClassName(hwnd, buf, 31) )
 188         {
 189                 switch(gOwShared.iFocus)
 190                 {
 191                         case F_DIRLIST:
 192                                 if( strcmp(buf, WC_LISTVIEWA) == 0 && GetDlgCtrlID(hwnd) == CID_DIRLIST)
 193                                         SetFocus(hwnd);
 194                                 break;
 195                         case F_FNAME:
 196                                 if( strcmp(buf, WC_COMBOBOXEXA) == 0 && GetDlgCtrlID(hwnd) == CID_FNAME)
 197                                         SetFocus(hwnd);
 198                                 break;
 199                         case F_FTYPE:
 200                                 if( strcmp(buf, WC_COMBOBOXA) == 0 && GetDlgCtrlID(hwnd) == CID_FTYPE)
 201                                         SetFocus(hwnd);
 202                                 break;
 203                         case F_PLACES:
 204                                 if( IsWindowVisible(hwnd) && strcmp(buf, TOOLBARCLASSNAMEA) == 0 && GetDlgCtrlID(hwnd) == CID_PLACES)
 205                                         SetFocus(hwnd);
 206                                 break;
 207                         case F_LOOKIN:
 208                                 if( strcmp(buf, WC_COMBOBOXA) == 0 && GetDlgCtrlID(hwnd) == CID_LOOKIN)
 209                                         SetFocus(hwnd);
 210                                 break;
 211                 }
 212         }
 213 /*      if( GetDlgCtrlID(hwnd) == 0x47c )
 214         {
 215                 SetWindowText(hwnd, "C:\\code\\");
 216                 SendMessage((HWND)lParam, WM_COMMAND, MAKEWPARAM(1, BN_CLICKED), (LPARAM)GetDlgItem((HWND)lParam, 1));
 217         }*/
 218         return 1;
 219 }
 220
 221
 222 static int CALLBACK WINAPI enumFindChildWindow(HWND hwnd, PFindChildData pData)
 223 {
 224         UINT uID = GetDlgCtrlID(hwnd);
 225         static char buf[256];
 226         if (uID == pData->uID)
 227         {
 228                 //dbg("Found window %p with id %d", hwnd, uID);
 229                 if (GetClassName(hwnd, buf, 256) && strcmp(buf, pData->szClass) == 0)
 230                 {
 231                         pData->hwFound = hwnd;
 232                         return 0;
 233                 }
 234                 //else
 235                 //dbg("Window's class is %s - not what's wanted", buf);
 236         }
 237         return 1;
 238 }
 239
 240 HWND findChildWindow(HWND hwParent, UINT uID, const char *szClass)
 241 {
 242         FindChildData fData;
 243
 244         fData.szClass = szClass;
 245         fData.uID = uID;
 246         fData.hwFound = NULL;
 247
 248         //dbg("findChildWindow: seeking \"%s\", %d", szClass, uID);
 249
 250         EnumChildWindows(hwParent, (WNDENUMPROC)enumFindChildWindow, (LPARAM) & fData);
 251
 252         return fData.hwFound;
 253 }